I was hoping to see the :first selector in action with the example below. Unfortunately, the paragraph did not turn red with a background. Can anyone offer some assistance?
p:first{background:red;}<p>This is paragraph 1.</p>
<p>This is paragraph 2.</p>
<p>This is paragraph 3.</p>References: https://developer.mozilla.org/en/docs/Web/CSS/:first
NOTE: The question is for this specific selector demonstration. So, please focus on that!
Based on the information provided in the source you referenced:
The :first @page CSS pseudo-class defines the styling of the initial page when a document is printed.
It is important to note that the first paragraph refers to a paragraph, not a physical page. This is relevant when viewing the document on a screen, as opposed to printing it on paper.
It may be more appropriate to consider using :first-child instead.
When using jQuery, there is a selector called :first, however, it should not be confused with the CSS :first selector.
$("p:first").css ("background", "red");<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<p>This is paragraph 1.</p>
<p>This is paragraph 2.</p>
<p>This is paragraph 3.</p>You should consider adding a new child element:
p:first-child{background:blue;}
p:first-child{background:blue;}<p>This is the first paragraph.</p>
<p>This is the second paragraph.</p>
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